Unit 7 Key Concepts

determine the net force on an object

use net force to determine if an object will undergo positive, negative, or angular acceleration

convert between Newtons and pounds

differentiate between Newton's 1^st, 2^nd, and 3^rd laws of motion

predict the future motion of an object based on Newton's 1^st Law

make calculations based on Newton's 2^nd Law

make calculations based on Newton's 3^rd  Law

predict changes in gravitational force based on changes in mass and distance

make calculations based on Newton's Law of Universal Gravitation

describe the formation of black holes and relate it to surface gravity

explain orbit in terms of horizontal velocity

explain why astronauts in orbit are weightless

explain how simple machines work and relate it to the first law of thermodynamics

identify the input and output distances for various simple machines

make calculations based on the law of machines

predict the IMA of a machine based on its dimensions

calculate the AMA of a machine